Tracey Lain reads her instructions left by her kinky Mistress and looks at a piece of equipment that has a cover over it, she knows not to look as that would spoil the surprise. Tracey secures herself bent over a PVC covered black box with leather straps and handcuffs so her bottom is exposed and she is force to watch herself on a video monitor. Behind Tracey and going between her legs is a track way and soon the machine under cover starts to move along the track towards her and so reveals itself – A fucking machine! Tracey likes the thought of it fucking her wet pussy and watches it approach on screen until she suddenly realizes it is going to force itself into her arse and give her a hard anal fucking. After the machine has forced itself painfully deep into her arse the machine starts to fuck her slowly, but Tracey knows it will soon speed up and she is correct and through the agony it soon begins to force multiple orgasms from her. Tracey’s mistress has been watching her via video link and commands Tracey to have one more big orgasm for her before she will tell her where the keys to her handcuff are…